Churchland has focused on the interface between neuroscience and
philosophy. According to her, philosophers are increasingly
realizing that to understand the mind one must understand the
brain. She is associated with a school of thought called eliminativism or eliminative materialism, which
argues that folk
psychology concepts such as belief, free will, and consciousness will likely need to be
revised as science understands more about the nature of brain
function.

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Although many philosophers used to dismiss the relevance of
neuroscience on grounds that what mattered was “the software, not
the hardware”, increasingly philosophers have come to recognize
that understanding how the brain works is essential to
understanding the mind.